78421945

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{77263}}^1$

素因数の和:77304

約数の個数: 16

約数和(自身を含む): 111260160

約数和(自身を除く): 32838215

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 77263, 386315, 540841, 2240627, 2704205, 11203135, 15684389, 78421945]

約数ペア:

[(1, 78421945), (5, 15684389), (7, 11203135), (29, 2704205), (35, 2240627), (145, 540841), (203, 386315), (1015, 77263)]